The dress was a viral online phenomenon in 2015, centered on a photograph of a dress that people disagreed on whether it was blue and black or white and gold. Within a ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Good as Gold Romper Dress Blue and White, Medium Hazel and Olive Boutique Fashion The Science Behind the Black and Blue (or White and Gold) Dress So I searched up the black and blue dress : r opticalillusions Is That Dress White and Gold or Blue and Black? The New York Times